Fast Fact – Caffeine by admin | Jun 27, 2018 | Fact Slides | 0 comments It takes 45 minutes for caffeine to be fully absorbed by the body. Its half-life is 3-4 hours. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.
